"io"

	sse "github.com/minio/minio/internal/bucket/encryption"
)

// BucketSSEConfigSys - in-memory cache of bucket encryption config
type BucketSSEConfigSys struct{}

// NewBucketSSEConfigSys - Creates an empty in-memory bucket encryption configuration cache
func NewBucketSSEConfigSys() *BucketSSEConfigSys {
	return &BucketSSEConfigSys{}
}

// Get - gets bucket encryption config for the given bucket.

# Stat the objects from source site
echo "Stat minio1/test-bucket/encrypted"
./mc stat --no-list minio1/test-bucket/encrypted --insecure --json
stat_out1=$(./mc stat --no-list minio1/test-bucket/encrypted --insecure --json)
src_obj1_algo=$(echo "${stat_out1}" | jq '.metadata."X-Amz-Server-Side-Encryption"')
src_obj1_keyid=$(echo "${stat_out1}" | jq '.metadata."X-Amz-Server-Side-Encryption-Aws-Kms-Key-Id"')
echo "Stat minio1/test-bucket/defpartsize"

ned-keys-certificates) or generate them with [Let's Encrypt](https://letsencrypt.org) using these instructions: [Generate Let's Encrypt certificate using Certbot for MinIO](https://min.io/docs/minio/linux/integrations/generate-lets-encrypt-certificate-using-certbot-for-minio.html). For more about TLS and certificates in MinIO, see the [Network Encryption documentation](https://min.io/docs/minio/kubernetes/upstream/operations/network-encryption.html).

Copy the existing private key and public...

		Key: bytes,
	})
}

// EncryptKey Encrypts and authenticates a (small) plaintext with the cryptographic key
// The plaintext must not exceed 1 MB
func (c *kesConn) EncryptKey(keyID string, plaintext []byte, ctx Context) ([]byte, error) {
	ctxBytes, err := ctx.MarshalText()
	if err != nil {
		return nil, err
	}
	return c.client.Encrypt(context.Background(), keyID, plaintext, ctxBytes)
}

                if ( log.isDebugEnabled() ) {
                    log.debug("Encrypted " + Hexdump.toHexString(trunc));
                }
            }
            catch ( GeneralSecurityException e ) {
                throw new CIFSException("Failed to encrypt MIC", e);
            }
        }

        byte[] sig = new byte[16];
        SMBUtil.writeInt4(1, sig, 0); // version

	}
	var objectEncryptionKey crypto.ObjectKey
	if crypto.Requested(r.Header) {
		if crypto.SSECopy.IsRequested(r.Header) {
			writeErrorResponse(ctx, w, toAPIError(ctx, errInvalidEncryptionParameters), r.URL)
			return
		}

		if crypto.SSEC.IsRequested(r.Header) && crypto.S3.IsRequested(r.Header) {
			writeErrorResponse(ctx, w, toAPIError(ctx, crypto.ErrIncompatibleEncryptionMethod), r.URL)
			return

}
```

Optionally `--encrypt` can be specified. This will output an encrypted file and a decryption key:

```
$ mc support inspect --encrypt play/test123/test*/*/part.*
mc: Encrypted file data successfully downloaded as inspect.ad2b43d8.enc
mc: Decryption key: ad2b43d847fdb14e54c5836200177f7158b3f745433525f5d23c0e0208e50c9948540b54

	"github.com/minio/minio/internal/logger"
	"github.com/minio/mux"
	"github.com/minio/pkg/v3/policy"
)

const (
	// Bucket Encryption configuration file name.
	bucketSSEConfig = "bucket-encryption.xml"
)

// PutBucketEncryptionHandler - Stores given bucket encryption configuration
// https://docs.aws.amazon.com/AmazonS3/latest/API/API_PutBucketEncryption.html

	// on the backend.
	kind, _ := crypto.IsEncrypted(fi.Metadata)

	var objectEncryptionKey []byte
	switch kind {
	case crypto.SSEC:
		if checksumType.IsSet() {
			if opts.EncryptFn == nil {
				return oi, crypto.ErrMissingCustomerKey
			}
			baseKey := opts.EncryptFn("", nil)
			if len(baseKey) != 32 {
				return oi, crypto.ErrInvalidCustomerKey
			}

	}

	return &HTTPRangeSpec{Start: start, End: end}
}

// Returns the compressed offset which should be skipped.
// If encrypted offsets are adjusted for encrypted block headers/trailers.
// Since de-compression is after decryption encryption overhead is only added to compressedOffset.